Netfox

What it does

A native macOS network monitor. Combines Bonjour, ARP, SSDP, NetBIOS and active probing to show every connected device — Apple gadgets, smart TVs, IoT, printers — in one live window. Full per-device history: first seen, last seen, every online/offline transition. Five alert types for new, risky, or returning devices. One-click security scan checks common ports with plain-English findings. Built 100% in SwiftUI. No cloud, no account, no telemetry. Your data stays on your Mac. Free.

Netfox turns raw network data into plain words. That cryptic "ESP-8A2F" becomes an Espressif gadget running a web server on port 80 — and Netfox catches the dev server you accidentally left open on the LAN. No cloud, no account, all on your Mac. Free · v0.19.1 · macOS 15.6+ · Universal (Apple Silicon + Intel) · Signed & notarized Netfox enriches every device — vendor, real identity, and what it’s exposing — and flags what your router never would. See it in a full window or right from the menu bar. If you take machine speak and convert it into humanese, that's valuable. List devices by a cryptic name and IP, but never what they are — and never what they’re exposing. Precise but raw — you…from netfox.app

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